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Intelligent call admission control for differentiated QoS provisioning in wideband CDMA cellular systems

机译:宽带CDMA蜂窝系统中用于区分QoS设置的智能呼叫允许控制

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We propose intelligent call admission control for wideband CDMA cellular systems to support differentiated QoS requirements. The intelligent call admission controller (ICAC) adopts fuzzy and neural network techniques to make admission decision for a new call request by considering the QoS measures of all service types, predicted next-step existing-call interference, and estimated new-call interference. It contains a fuzzy call admission processor, a pipeline recurrent neutral network (PRNN) interference predictor and a fuzzy equivalent interference estimator. Simulation results indicate that ICAC attains better performance in keeping QoS guaranteed, blocking probability and admitted number of users. Furthermore, ICAC is more adaptive and stable than SIR-based CAC in wideband CDMA cellular systems.
机译:我们为宽带CDMA蜂窝系统提出智能呼叫准入控制,以支持差异化的QoS要求。智能呼叫准入控制器(ICAC)采用模糊和神经网络技术通过考虑所有服务类型的QoS测量,预测下一步现有呼叫干扰以及估计的新呼叫干扰来对新呼叫请求进行准入决策。它包含模糊呼叫准入处理器,流水线复发中性网络(PRNN)干扰预测器和模糊等效干扰估算器。仿真结果表明,ICAC在保持QoS保证,阻止概率和录取用户数量方面的性能更好。此外,ICAC比宽带CDMA细胞系统在基于SIR的CAC更自适应且稳定。

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